About the Number

131131504

131131503 ← → 131131505

2進数表記:111110100001110100001110000

漢数字表記:一億三千百十三万千五百四

素因数分解:

2 4 × 7 1 × 29 1 × 47 1 × 859 1

素因数の和:950
約数の個数: 80
約数和(自身を含む): 307123200
約数和(自身を除く): 175991696

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 29, 47, 56, 58, 94, 112, 116, 188, 203, 232, 329, 376, 406, 464, 658, 752, 812, 859, 1316, 1363, 1624, 1718, 2632, 2726, 3248, 3436, 5264, 5452, 6013, 6872, 9541, 10904, 12026, 13744, 19082, 21808, 24052, 24911, 38164, 40373, 48104, 49822, 76328, 80746, 96208, 99644, 152656, 161492, 174377, 199288, 282611, 322984, 348754, 398576, 565222, 645968, 697508, 1130444, 1170817, 1395016, 2260888, 2341634, 2790032, 4521776, 4683268, 8195719, 9366536, 16391438, 18733072, 32782876, 65565752, 131131504]

約数ペア:
[(1, 131131504), (2, 65565752), (4, 32782876), (7, 18733072), (8, 16391438), (14, 9366536), (16, 8195719), (28, 4683268), (29, 4521776), (47, 2790032), (56, 2341634), (58, 2260888), (94, 1395016), (112, 1170817), (116, 1130444), (188, 697508), (203, 645968), (232, 565222), (329, 398576), (376, 348754), (406, 322984), (464, 282611), (658, 199288), (752, 174377), (812, 161492), (859, 152656), (1316, 99644), (1363, 96208), (1624, 80746), (1718, 76328), (2632, 49822), (2726, 48104), (3248, 40373), (3436, 38164), (5264, 24911), (5452, 24052), (6013, 21808), (6872, 19082), (9541, 13744), (10904, 12026)]

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